Printer Unit Test - Panasonic DX-2000 Service Manual

3.6.

Printer Unit Test

1. You can check the printer with the FCB PCB disconnected from the unit ( see Page 28).
2. Press the Test Pattern Print Switch (SW401) on the LPC PCB as shown below.
Pattern
Pattern 0 1-dot Horizontal line
Pattern 1 Blank page
3. The Test Pattern prints. Check the print Quality.
LPC PCB
SW401
CN58
Selection method
Switch ON for less than 2 seconds (400 dpi printing)
Switch ON for 2 seconds or more while Pattern 0 is
printing (600 dpi printing)
54
Test Pattern
Print Switch
Stop method
Switch ON again for less than 2 seconds
Switch ON again for less than 2 seconds